Thanks David. That was the document I was working with but I missed setting the dynamicAbsoluteVolumeFunction and I didn't know how to compare the dynamic passed in to the markup.
Slightly OT: I obviously don't know Scheme or Guile. I am a programmer, though. What would be the best way for me to get good at reading and writing LilyPond functions? Knute Snortum (via Gmail) On Wed, Jul 30, 2014 at 7:25 AM, David Kastrup <[email protected]> wrote: > Knute Snortum <[email protected]> writes: > > > I am getting my old friend the "ambiguous (de)crescendo" error. I can > see > > why this would happen in the snippet below. I have defined a dynamic of > > "più f" and LilyPond doesn't know how to crescendo from a "f" to it. > > > > My usual way of dealing with this is to assign a MIDI volume to my new > > dynamic. In this case forte = .75 so I am trying to assign .77 to the > "più > > f" but I don't know how to do it. Any suggestions? > > > > %%% BEGIN > > \version "2.18.2" > > > > piuFMarkup = \markup { \normal-text { \italic "più" } \dynamic "f" } > > piuF = #(make-dynamic-script #{ \piuFMarkup #} ) > > > > % Neither of the following prevent the MIDI error > > > > %{ > > #(define (myDynamics dynamic) > > (if (equal? dynamic \piuFMarkup ) > > 0.77 > > (default-dynamic-absolute-volume dynamic))) > > %} > > > > #(define (myDynamics dynamic) > > (if (equal? dynamic "piùf" ) > > 0.77 > > (default-dynamic-absolute-volume dynamic))) > > > > % \f = MIDI loudnes .75, so crescendo to .77 > > > > \score { > > \relative c' { > > c4 \f d \< e f | g1 \piuF > > } > > \layout {} > > \midi {} > > } > > %%% END > > The manual has a working example in > <URL: > http://www.lilypond.org/doc/v2.18/Documentation/notation/controlling-midi-dynamics#dynamic-marks > >. > You need to set dynamicAbsoluteVolumeFunction for this to work. Just > defining some function myDynamics and hoping that LilyPond will > magically know what to do with it is not enough. > > The following works: > > > > -- > David Kastrup > >
_______________________________________________ lilypond-user mailing list [email protected] https://lists.gnu.org/mailman/listinfo/lilypond-user
